SIMPLE  =                    T / file does conform to FITS standard             BITPIX  =                   16 / number of bits per data pixel                  NAXIS   =                    0 / number of data axes                            EXTEND  =                    T / FITS dataset may contain extensions            COMMENT   FITS (Flexible Image Transport System) format is defined in 'AstronomyCOMMENT   and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H DATE-OBS= '2023-09-28T23:46:51'                                                 DATE-END= '2023-09-28T23:46:55'                                                 PROCVER = '3.19.02 '           / Processing script version                      SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_19'       CALDBVER= 'b20171016_u20201215_x20230725_m20230918' / CALDB index versions used TIMESYS = 'TT      '           / time system                                    MJDREFI =                51910 / MJD reference day 01 Jan 2001 00:00:00         MJDREFF =        0.00074287037 / MJD reference (fraction of day) 01 Jan 2001 00:CLOCKAPP=                    F / If clock correction are applied (F/T)          TIMEUNIT= 's       '           / Time unit for timing header keywords           OBS_ID  = '03110098009'        / Observation ID                                 SEQPNUM =                   14 / Number of times the dataset processed          TARG_ID =              3110098 / Target ID                                      SEG_NUM =                    9 / Segment number                                 OBJECT  = '4FGLJ1635.4-3249'   / Object name                                    RA_OBJ  =           248.858750 / [deg] R.A. Object                              DEC_OBJ =           -32.829000 / [deg] Dec Object                               RA_PNT  =     248.787520907687 / [deg] RA pointing                              DEC_PNT =    -32.8431332928888 / [deg] Dec pointing                             PA_PNT  =     276.976181795451 / [deg] Position angle (roll)                    ATTFLAG = '110     '           / Attitude file: 100=sat, x10=pat, xx1=uat       UTCFINIT=    -32.0930400000000 / [s] UTCF at TSTART                             CHECKSUM= '89Ge96EZ86Eb86EZ'   / HDU checksum updated 2023-10-08T06:50:14       DATASUM = '         0'         / data unit checksum updated 2023-10-08T06:50:14 END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             XTENSION= 'BINTABLE'           / binary table extension                         BITPIX  =                    8 / 8-bit bytes                                    NAXIS   =                    2 / 2-dimensional binary table                     NAXIS1  =                   56 / width of table in bytes                        NAXIS2  =                    0 / number of rows in table                        PCOUNT  =                    0 / size of special data area                      GCOUNT  =                    1 / one data group (required keyword)              TFIELDS =                    4 / number of fields in each row                   TTYPE1  = 'TIME    '           / Time of light curve time bin                   TFORM1  = '1D      '           / data format of field: 8-byte DOUBLE            TUNIT1  = 's       '           / physical unit of field                         TTYPE2  = 'RATE    '           / Mask tagged rate                               TFORM2  = '4E      '           / data format of field: 4-byte REAL              TUNIT2  = 'count/s '           / physical unit of field                         TTYPE3  = 'ERROR   '           / Statistical error                              TFORM3  = '4E      '           / data format of field: 4-byte REAL              TUNIT3  = 'count/s '           / physical unit of field                         TTYPE4  = 'BACKV   '           / Background rate                                TFORM4  = '4E      '           / data format of field: 4-byte REAL              TUNIT4  = 'count/s '           / physical unit of field                         EXTNAME = 'RATE    '           / name of this binary table extension            HDUCLASS= 'OGIP    '           / Conforms to OGIP/GSFC standards                HDUCLAS1= 'LIGHTCURVE'         / Contains light curve                           HDUCLAS2= 'NET     '           / Light curve is background subtracted           HDUCLAS3= 'RATE    '           / Light curve is count/s                         TIMESYS = 'TT      '           / Time system                                    MJDREFI =               51910. / Reference MJD Integer part                     MJDREFF =         7.4287037E-4 / Reference MJD fractional                       TIMEREF = 'LOCAL   '           / Time reference (barycenter/local)              TASSIGN = 'SATELLITE'          / Time assigned by clock                         TIMEUNIT= 's       '           / Time unit                                      TIERRELA=               1.0E-8 / [s/s] relative errors expressed as rate        TIERABSO=                  1.0 / [s] timing  precision  in seconds              TSTART  =            717637616                                                  TSTOP   =          717637620.8                                                  DATE-OBS= '2023-09-28T23:46:51'                                                 DATE-END= '2023-09-28T23:46:55'                                                 CLOCKAPP=                    F / default                                        TELAPSE =                  16. / TSTOP - TSTART                                 ONTIME  =                  16. / Time on target                                 LIVETIME=                  16. / Ontime multiplied by DEADC                     EXPOSURE=                  16. / Total exposure, with all known correction      DEADC   =                   1. / dead time correction                           TIMEPIXR= 0.0                  / Bin time beginning=0 middle=0.5 end=1          TIMEDEL =                  1.6 / [s] Light curve sampling period                TELESCOP= 'SWIFT   '           / Telescope (mission) name                       INSTRUME= 'BAT     '           / Instrument name                                DATAMODE= 'MASKTAGRATE'        / Instrument operating mode                      OBS_ID  = '03110098009'        / Observation ID                                 TARG_ID =              3110098 / Target ID                                      SEG_NUM =                    9 / Segment number                                 EQUINOX = 2000.                / default                                        RADECSYS= 'FK5'                / default                                        OBS_MODE= 'POINTING'           / default                                        ORIGIN  = 'GSFC'               / Source of FITS file                            CREATOR = 'batmasktaglc 2.12'  / Program that created this FITS file            TLM2FITS= 'V7.21'               / Telemetry converter version number            DATE    = '2023-10-08T06:46:55' / file creation date (YYYY-MM-DDThh:mm:ss UT)   BACKAPP =                    T / Was background correction applied?             TIMVERSN= 'OGIP/93-003'        / Version of light curve format                  APID    =                  489 / Application Process Identifier                 CATNUM  =                10004 / BAT Source catalog number                      HISTORY Contributing ApID list                                                  HISTORY swift_head3_2f74d209_2071_489.ccsds ApID(489) 112-113                   HISTORY CFITSIO used the following filtering expression to create this table:   HISTORY sw03110098009bmt00010004_rw.lc[1][gtifilter("sw03110098009stp.gti")]    FLUXMETH= 'WEIGHTED'           / Flux extraction method                         NBATDETS=                13756 / Number of enabled detectors                    NGOODPIX=                13756 / Number of enabled detectors                    HISTORY                                                                         HISTORY START PARAMETER list for batmasktaglc_2.12 at 2023-10-08T06:48:11       HISTORY                                                                         HISTORY P1 infile = sw03110098009bmt00010004_rw.lc                              HISTORY P2 quadfile = sw03110098009brtqd.lc                                     HISTORY P3 maskwt = sw03110098009bmt00010004_rw.lc                              HISTORY P4 outfile = sw03110098009bmt00010004.lc                                HISTORY P5 detmask = swt0717637337bdecb.fits                                    HISTORY P6 ebounds = CALDB                                                      HISTORY P7 corrections = default                                                HISTORY P8 scale = INDEF                                                        HISTORY P9 detdiv = YES                                                         HISTORY P10 clobber = NO                                                        HISTORY P11 chatter = 1                                                         HISTORY P12 history = YES                                                       HISTORY P13 mode = hl                                                           HISTORY END PARAMETER list for batmasktaglc_2.12                                HISTORY                                                                         PCODEAPP=                    T / Partial coding correction applied?             FFAPP   =                    T / Projection correction applied?                 NGPIXAPP=                    T / Normalized by number of detectors?             PROCVER = '3.19.02 '           / Processing script version                      SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_19'       CALDBVER= 'b20171016_u20201215_x20230725_m20230918' / CALDB index versions used SEQPNUM =                   14 / Number of times the dataset processed          OBJECT  = '4FGLJ1635.4-3249'   / Object name                                    RA_OBJ  =           248.858750 / [deg] R.A. Object                              DEC_OBJ =           -32.829000 / [deg] Dec Object                               RA_PNT  =     248.787520907687 / [deg] RA pointing                              DEC_PNT =    -32.8431332928888 / [deg] Dec pointing                             PA_PNT  =     276.976181795451 / [deg] Position angle (roll)                    ATTFLAG = '110     '           / Attitude file: 100=sat, x10=pat, xx1=uat       UTCFINIT=    -32.0930400000000 / [s] UTCF at TSTART                             CHECKSUM= 'di78gf66df66df66'   / HDU checksum updated 2023-10-08T06:50:14       DATASUM = '         0'         / data unit checksum updated 2023-10-08T06:50:14 END                                                                                                                                                                                                                                                                                                                             XTENSION= 'BINTABLE'           / binary table extension                         BITPIX  =                    8 / 8-bit bytes                                    NAXIS   =                    2 / 2-dimensional binary table                     NAXIS1  =                   10 / width of table in bytes                        NAXIS2  =                    4 / number of rows in table                        PCOUNT  =                    0 / size of special data area                      GCOUNT  =                    1 / one data group (required keyword)              TFIELDS =                    3 / number of fields in each row                   TTYPE1  = 'CHANNEL '           / label for field   1                            TFORM1  = 'I       '           / data format of field: 2-byte INTEGER           TUNIT1  = 'chan    '           / physical unit of field                         TTYPE2  = 'E_MIN   '           / label for field   2                            TFORM2  = 'E       '           / data format of field: 4-byte REAL              TUNIT2  = 'keV     '           / physical unit of field                         TTYPE3  = 'E_MAX   '           / label for field   3                            TFORM3  = 'E       '           / data format of field: 4-byte REAL              TUNIT3  = 'keV     '           / physical unit of field                         EXTNAME = 'EBOUNDS '           / Name of the binary table extension             TELESCOP= 'SWIFT   '           / Telescope (mission) name                       INSTRUME= 'BAT     '           / Instrument name                                ORIGIN  = 'GSFC    '           / Source of FITS file                            CREATOR = 'FTOOLS 5.3.1 '      / Creator                                        VERSION =                    2 / Extension version number                       FILENAME= 'swb4ebound20030101v002.fits' / File name                             CONTENT = 'BAT 4 channels EBOUNDS' / File content                               HDUCLASS= 'OGIP    '           / format conforms to OGIP/GSFC conventions       HDUCLAS1= 'RESPONSE'           / Response extension                             HDUCLAS2= 'EBOUNDS '           / Energy bounderies                              CCLS0001= 'BCF     '           / Dataset is a Basic Calibration File            CDTP0001= 'DATA    '           / Calibration file contains data                 CCNM0001= 'EBOUNDS '           / Type of Calibration data                       CBD10001= 'MODE(4)Chan'        / Parameter Boundery                             CVSD0001= '2003-01-01'         / UTC date when file should first be used        CVST0001= '00:00:00'           / UTC time when file should  first be used       CDES0001= 'EBOUNDS table for four channel rate data' / Description              DETCHANS=                    4 / Total number of detector channels              CHANTYPE= 'PI      '           / Type of channels (PHA, PI etc)                 DATE    = '2003-08-19T00:00:00' / file creation date (YYYY-MM-DDThh:mm:ss UT)   CHECKSUM= 'YAiAb6Z8ZAfAa3Z5'   / HDU checksum updated 2023-10-08T06:50:14       DATASUM = '176818253'          / data unit checksum updated 2004-10-28T14:46:15 PROCVER = '3.19.02 '           / Processing script version                      SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_19'       CALDBVER= 'b20171016_u20201215_x20230725_m20230918' / CALDB index versions used TIERRELA=               1.0E-8 / [s/s] relative errors expressed as rate        TIERABSO=                  1.0 / [s] timing  precision  in seconds              OBS_ID  = '03110098009'        / Observation ID                                 SEQPNUM =                   14 / Number of times the dataset processed          TARG_ID =              3110098 / Target ID                                      SEG_NUM =                    9 / Segment number                                 OBJECT  = '4FGLJ1635.4-3249'   / Object name                                    RA_OBJ  =           248.858750 / [deg] R.A. Object                              DEC_OBJ =           -32.829000 / [deg] Dec Object                               RA_PNT  =     248.787520907687 / [deg] RA pointing                              DEC_PNT =    -32.8431332928888 / [deg] Dec pointing                             PA_PNT  =     276.976181795451 / [deg] Position angle (roll)                    ATTFLAG = '110     '           / Attitude file: 100=sat, x10=pat, xx1=uat       END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             ApAÈ
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